EJA438 uses a domestically produced 375 controller for circuit testing
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Problem overview: The transmitter of EJA438W shows % readings upon leaving the factory. The range is -100 kPa to 0 kPa; at normal pressure the display shows 4.0 kPa, with a current of 20 mA. 1. Conduct a circuit test under normal pressure conditions when the display is in % mode. The input current is 12 mA; the percentage has been changed to 50% – normal. 2. Conduct a circuit test under normal pressure conditions, with the pressure displayed in Kpa. The input current is 12 mA; the percentage value was changed to 4.0 kPa, but the multimeter shows a current of 11.9 mA. – There is a problem. C:\Users\YUANKANGDONG\Desktop C:\Users\YUANKANGDONG\Desktop
Stop talking about the domestic 375; switch to another one. Can that thing work?